Return-Path: Mailing-List: contact taglibs-dev-help@jakarta.apache.org; run by ezmlm Delivered-To: mailing list taglibs-dev@jakarta.apache.org Received: (qmail 22395 invoked by uid 500); 24 Sep 2000 00:00:54 -0000 Delivered-To: apmail-jakarta-taglibs-cvs@apache.org Received: (qmail 22391 invoked by uid 1004); 24 Sep 2000 00:00:54 -0000 Date: 24 Sep 2000 00:00:54 -0000 Message-ID: <20000924000054.22390.qmail@locus.apache.org> From: glenn@locus.apache.org To: jakarta-taglibs-cvs@apache.org Subject: cvs commit: jakarta-taglibs/request/src/org/apache/taglibs/request ExistsCookieTag.java glenn 00/09/23 17:00:54 Added: request/src/org/apache/taglibs/request ExistsCookieTag.java Log: existscookie tag Revision Changes Path 1.1 jakarta-taglibs/request/src/org/apache/taglibs/request/ExistsCookieTag.java Index: ExistsCookieTag.java =================================================================== /* * $Header: /home/cvs/jakarta-taglibs/request/src/org/apache/taglibs/request/ExistsCookieTag.java,v 1.1 2000/09/24 00:00:54 glenn Exp $ * $Revision: 1.1 $ * $Date: 2000/09/24 00:00:54 $ * * ==================================================================== * * The Apache Software License, Version 1.1 * * Copyright (c) 1999 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, if * any, must include the following acknowlegement: * "This product includes software developed by the * Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowlegement may appear in the software itself, * if and wherever such third-party acknowlegements normally appear. * * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software * Foundation" must not be used to endorse or promote products derived * from this software without prior written permission. For written * permission, please contact apache@apache.org. * * 5. Products derived from this software may not be called "Apache" * nor may "Apache" appear in their names without prior written * permission of the Apache Group. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * . * */ package org.apache.taglibs.request; import java.util.*; import javax.servlet.*; import javax.servlet.http.*; import javax.servlet.jsp.*; import javax.servlet.jsp.tagext.*; /** * JSP Tag existscookie, used to determine if an HttpServletRequest * cookie exists. *

* Includes the body of the tag if the cookie exists. *

* You can set the optional tag cookie value to true or * false. The body of the tag is included if existscookie matches * the value. *

* JSP Tag Lib Descriptor * 

   * <name>existscookie</name>
   * <tagclass>org.apache.taglibs.request.ExistsCookieTag</tagclass>
   * <bodycontent>JSP</bodycontent>
   * <info>Includes the body of the tag if the request cookie exists.</info>
   *   <attribute>
   *     <name>name</name>
   *     <required>true</required>
   *     <rtexprvalue>false</rtexprvalue>
   *   </attribute>
   *   <attribute>
   *     <name>value</name>
   *     <required>false</required>
   *     <rtexprvalue>false</rtexprvalue>
   *   </attribute>
   *
* * @author Glenn Nielsen */ public class ExistsCookieTag extends TagSupport { private String name = null; private Boolean value = null; /** * Includes the body of the tag if the request cookie exists. * * @return SKIP_BODY if existscookie doesn't match value, EVAL_BODY_include if existscookie matches value */ public int doStartTag() throws JspException { boolean result = false; // Get the cookies Cookie cookie = null; Cookie [] cookies = ((HttpServletRequest)pageContext.getRequest()).getCookies(); if( cookies != null ) { for( int i = 0; i < cookies.length; i++ ) { if( cookies[i].getName().equals(name) ) { cookie = cookies[i]; break; } } } if( cookie != null ) result = true; if( value == null ) { if( result ) return EVAL_BODY_INCLUDE; return SKIP_BODY; } if( value.booleanValue() == result ) return EVAL_BODY_INCLUDE; return SKIP_BODY; } public void setName(String str) { name = str; } public void setValue(String str) { value = new Boolean(str); } }